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Cartilage injections and joint nutrients are among the methods considered to improve joint health and promote cartilage regeneration. However, it is said that these methods may not be effective. Director Choi Yoon-jin of Gajae Hospital explains the actual ingredients of cartilage injections and joint nutrients that do not promote cartilage regeneration. #Cartilage injection #Joint nutrients #Cartilage regeneration In charge: Lee Jae-wan and Choi Hee-sun ✔ If you want to enjoy more fun and informative videos from After the Rain, please click 'Like' and 'Subscribe'! ✔ After the Rain Official Channel Homepage http://aftertherain.kr